It's still possible to see the division between East and West Germany due to different light bulbs.
5
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63